fix: in commit view get file histories by commit (#708)

When file histories are accessed from the commit details view, run git log for the inspected commit.  Previously the log was ran against current branch regardless whether the inspected commit belongs to that branch.

Author: czarkoff

src/ViewModels/CommitDetail.cs

@@ -293,7 +293,7 @@ public ContextMenu CreateChangeContextMenu(Models.Change change)
             history.Icon = App.CreateMenuIcon("Icons.Histories");
             history.Click += (_, ev) =>
             {
-                var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, change.Path) };
+                var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, change.Path, _commit.SHA) };
                 window.Show();
                 ev.Handled = true;
             };
@@ -434,7 +434,7 @@ public ContextMenu CreateRevisionFileContextMenu(Models.Object file)
             history.Icon = App.CreateMenuIcon("Icons.Histories");
             history.Click += (_, ev) =>
             {
-                var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, file.Path) };
+                var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, file.Path, _commit.SHA) };
                 window.Show();
                 ev.Handled = true;
             };

src/ViewModels/FileHistories.cs

@@ -57,14 +57,14 @@ public object ViewContent
             private set => SetProperty(ref _viewContent, value);
         }
 
-        public FileHistories(Repository repo, string file)
+        public FileHistories(Repository repo, string file, string commit = null)
         {
             _repo = repo;
             _file = file;
 
             Task.Run(() =>
             {
-                var commits = new Commands.QueryCommits(_repo.FullPath, $"-n 10000 -- \"{file}\"", false).Result();
+                var commits = new Commands.QueryCommits(_repo.FullPath, $"-n 10000 {commit} -- \"{file}\"", false).Result();
                 Dispatcher.UIThread.Invoke(() =>
                 {
                     IsLoading = false;